SARL-S in Luxembourg: Conditions, Limits and Conversion

Compact assembled module placed before a larger frame to illustrate the possible development of a Luxembourg SARL-S

The SARL-S is a simplified form of private limited liability company. It allows one or more natural persons to form a Luxembourg company with capital between EUR 1 and EUR 12,000.

That flexibility comes with limits. The activity must fall within the statutory scope, shareholders and managers must be natural persons, and capital cannot exceed EUR 12,000.

The SARL-S framework

The SARL-S has its own assets and liabilities. Shareholder liability is limited to contributions. That limit does not cover a personal guarantee or remove a manager’s own liability for misconduct.

The company may have between one and one hundred shareholders. All must be natural persons. Management is also reserved for natural persons, whether or not they hold shares.

The SARL-S follows the ordinary tax regime for capital companies. Its low starting capital does not create a special tax exemption.

Capital from EUR 1 to EUR 12,000

Capital must reach at least EUR 1 and may not exceed EUR 12,000. It is fully subscribed at incorporation, so the shareholders commit to the entire amount stated in the deed.

The Law of 18 May 2026, in force since 2 June 2026, allows payment of subscribed cash capital to be deferred for twelve months. The incorporation deed must state when the funds will be called or how that call will be decided.

Contributions in kind remain fully paid at incorporation. Deferral does not remove the shareholders’ commitment. Any unpaid amount remains due to the company.

Each profitable financial year, 5% of net profit is allocated to a statutory reserve. This continues until capital and that reserve together reach EUR 12,000.

Eligible activities

The SARL-S is reserved for commercial, craft, industrial and liberal activities that fall within the scope of Luxembourg establishment law. The official SARL-S overview explains this condition and who may use the form.

Pure holding activity does not fit this framework. Financial services, asset management and other regulated activities also require a separate analysis of the legal form and applicable licence.

The SARL-S does not remove the need for a business permit. The application is filed before registration and the information received from the Ministry is included in the RCS file. The final permit then requires registration of the articles.

Incorporation by private deed

An SARL-S may be incorporated by private deed. This avoids the notarial deed required for a classic SARL, but it does not remove any mandatory content from the articles.

The deed covers the company name, activity, registered office, capital, shareholders, management and signature powers. It is then filed with the RCS and published in the RESA. Beneficial owners are declared to the RBE.

If cash capital is paid immediately, account opening and payment take place before incorporation. If the deed provides for deferred payment, the company may be formed first. A bank account remains necessary for operations and to receive capital within the agreed period.

The difference from a classic SARL

Capital is not the only point of comparison. A classic SARL accepts legal entities as shareholders and managers. Its activity is not restricted by the SARL-S regime, and its capital may exceed EUR 12,000.

CriterionSARL-SClassic SARL
CapitalEUR 1 to EUR 12,000EUR 12,000 minimum
ShareholdersNatural personsNatural persons or legal entities
ManagerNatural personNatural person or legal entity
IncorporationPrivate deed permittedNotarial deed
ActivityLimited by its own regimeBroader, subject to required permits

A project expected to admit a company as shareholder, hold participations or organise a group therefore requires another legal form.

Conversion into a classic SARL

Conversion becomes necessary if capital must exceed EUR 12,000 or an eligibility condition is no longer met. It may also become useful when ownership, management or financing no longer fits the simplified framework.

The conversion requires a shareholder decision and a notarial deed. Capital and the articles are adapted, and the new situation is published. The RBE, business permit and other registrations are updated where relevant.

Revenue growth or the recruitment of an employee does not by itself trigger conversion. The precise cause matters, such as capital, activity or the arrival of a legal-entity shareholder.

Annual obligations

The SARL-S keeps accounting records, prepares annual accounts and has them approved. Filing with the RCS takes place within one month of approval and no later than seven months after the end of the financial year.

The company also submits tax returns and, where relevant, VAT returns. An employer adds payroll and social-security declarations to its calendar.

Low initial capital does not reduce these recurring obligations. The main simplification concerns incorporation conditions and the use of a private deed.

Conclusion

The SARL-S allows incorporation with capital from EUR 1 to EUR 12,000 and without a notarial deed. It remains reserved for natural persons and a defined range of activities.

The choice between an SARL-S and a classic SARL depends on activity, ownership, management and expected financing. These points should be settled before incorporation because they determine whether the simplified form can support the project over time.

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Frequently Asked Questions

What is the minimum capital of an SARL-S?

Capital may start at EUR 1 and may not exceed EUR 12,000. It must be fully subscribed at incorporation. Payment of cash contributions may be deferred for twelve months if the deed organises this option.

Who can own or manage an SARL-S?

Shareholders and managers must be natural persons. A company cannot hold SARL-S shares or act as its manager.

Does an SARL-S require a notary?

No. It may be incorporated by private deed. Registration with the RCS and publication in the RESA are still required.

Can an SARL-S hire employees?

Yes. It then follows the same employer registration, payroll and labour-law duties as a classic SARL.